
Description: OCTGN (Online Card & Tabletop Gaming Network) is a free open-source software for playing card and board games online. It allows users to play games like Magic: The Gathering, Android: Netrunner, and many others with full rules enforcement against opponents around the world.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PlayingCards.io is a free online card game website that allows users to play a variety of classic card games like poker, blackjack, crazy eights, and more against other players or AI opponents. Users can create custom game rooms and invite friends to play.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API